🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268

Radius: 13.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.9 AU - 2.1 AU

Year: 1952 Days

Day: 12.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 150.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,587,397 km

• M1: 167,849 km (0.06 R)
• M2: 589,715 km (0.115 R)
• M3: 1,041,949 km (0.092 R)
• M4: 2,050,538 km (0.03 R)
• M5: 3,089,944 km (0.063 R)
• M6: 4,861,781 km (0.063 R)
• M7: 5,354,407 km (0.062 R)
• M8: 6,055,871 km (0.115 R)
• M9: 6,938,948 km (0.068 R)
• M10: 8,874,594 km (0.07 R)
• M11: 9,342,985 km (0.111 R)
• M12: 10,980,783 km (0.1 R)

Planet 2 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.7

Radius: 4

Gravity: 56.42 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.47 AU - 6.73 AU

Year: 9147 Days

Day: 18.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,587,397 km

• M1: 52,509 km (0.113 R)
• M2: 220,058 km (0.077 R)
• M3: 347,965 km (0.112 R)
• M4: 991,385 km (0.091 R)
• M5: 1,194,988 km (0.119 R)
• M6: 1,701,377 km (0.094 R)
• M7: 2,011,343 km (0.119 R)
• M8: 3,820,580 km (0.118 R)
• M9: 4,235,116 km (0.055 R)
• M10: 4,771,424 km (0.082 R)
• M11: 6,420,890 km (0.117 R)
• M12: 6,925,633 km (0.072 R)
• M13: 7,839,527 km (0.111 R)
• M14: 8,013,958 km (0.084 R)
• M15: 8,415,778 km (0.09 R)
• M16: 8,552,660 km (0.049 R)
• M17: 9,163,169 km (0.114 R)
• M18: 10,313,576 km (0.108 R)
• M19: 10,735,293 km (0.093 R)
• M20: 12,896,832 km (0.075 R)
• M21: 14,597,910 km (0.116 R)
• M22: 14,928,521 km (0.084 R)
• M23: 16,090,149 km (0.077 R)
• M24: 17,237,115 km (0.094 R)
• M25: 17,384,170 km (0.108 R)
• M26: 18,823,900 km (0.105 R)
• M27: 19,532,695 km (0.086 R)
• M28: 21,937,929 km (0.101 R)
• M29: 22,988,256 km (0.088 R)
• M30: 23,888,985 km (0.083 R)
• M31: 25,188,990 km (0.068 R)
• M32: 27,626,538 km (0.113 R)
• M33: 37,452,126 km (0.081 R)
• M34: 37,822,830 km (0.102 R)
• M35: 45,199,800 km (0.104 R)
• M36: 47,471,144 km (0.114 R)
• M37: 48,488,260 km (0.104 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.9

Radius: 6.2

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.59 AU - 5.65 AU

Year: 9196 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,587,397 km

• M1: 87,365 km (0.1 R)
• M2: 337,942 km (0.05 R)
• M3: 550,520 km (0.044 R)
• M4: 864,227 km (0.105 R)
• M5: 1,057,807 km (0.101 R)
• M6: 1,268,889 km (0.096 R)
• M7: 1,916,349 km (0.1 R)
• M8: 3,102,959 km (0.057 R)
• M9: 3,422,051 km (0.081 R)
• M10: 4,832,310 km (0.077 R)
• M11: 6,231,350 km (0.097 R)
• M12: 7,634,877 km (0.119 R)
• M13: 7,963,992 km (0.068 R)
• M14: 8,562,833 km (0.12 R)
• M15: 9,422,871 km (0.06 R)
• M16: 10,640,448 km (0.041 R)
• M17: 11,526,067 km (0.107 R)
• M18: 11,741,338 km (0.101 R)
• M19: 12,347,359 km (0.119 R)
• M20: 13,802,049 km (0.049 R)
• M21: 14,477,035 km (0.12 R)
• M22: 15,238,039 km (0.11 R)
• M23: 16,226,432 km (0.108 R)
• M24: 20,688,638 km (0.083 R)
• M25: 22,396,447 km (0.118 R)
• M26: 22,647,921 km (0.113 R)
• M27: 24,727,331 km (0.085 R)
• M28: 30,169,702 km (0.101 R)
• M29: 31,513,839 km (0.116 R)
• M30: 33,331,154 km (0.088 R)
• M31: 34,543,644 km (0.084 R)
• M32: 35,899,599 km (0.118 R)
• M33: 40,303,162 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.2

Radius: 3.4

Gravity: 49.84 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.98 AU - 7.64 AU

Year: 10941 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,587,397 km

• M1: 42,336 km (0.104 R)
• M2: 179,667 km (0.111 R)
• M3: 567,425 km (0.116 R)
• M4: 838,197 km (0.092 R)
• M5: 1,107,323 km (0.111 R)
• M6: 1,417,589 km (0.079 R)
• M7: 3,278,437 km (0.079 R)
• M8: 5,219,171 km (0.083 R)
• M9: 5,724,213 km (0.081 R)
• M10: 7,188,477 km (0.12 R)
• M11: 7,769,964 km (0.086 R)
• M12: 10,358,755 km (0.093 R)
• M13: 11,537,736 km (0.056 R)
• M14: 13,469,343 km (0.081 R)
• M15: 13,717,227 km (0.113 R)
• M16: 14,094,812 km (0.088 R)
• M17: 14,350,325 km (0.058 R)
• M18: 14,870,477 km (0.071 R)
• M19: 16,017,594 km (0.096 R)
• M20: 18,486,108 km (0.071 R)
• M21: 21,196,821 km (0.079 R)
• M22: 22,472,592 km (0.043 R)
• M23: 23,798,628 km (0.106 R)
• M24: 26,027,187 km (0.107 R)
• M25: 30,573,466 km (0.098 R)
• M26: 45,082,066 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.6

Radius: 7.8

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.13 AU - 7.87 AU

Year: 11439 Days

Day: 20.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,587,397 km

• M1: 97,089 km (0.075 R)
• M2: 439,818 km (0.102 R)
• M3: 794,813 km (0.087 R)
• M4: 1,199,177 km (0.041 R)
• M5: 1,913,207 km (0.051 R)
• M6: 2,268,353 km (0.115 R)
• M7: 3,953,124 km (0.091 R)
• M8: 5,644,477 km (0.103 R)
• M9: 6,928,775 km (0.092 R)
• M10: 8,079,482 km (0.116 R)
• M11: 10,484,567 km (0.104 R)
• M12: 11,363,604 km (0.065 R)
• M13: 13,204,854 km (0.086 R)
• M14: 15,031,444 km (0.064 R)
• M15: 15,443,736 km (0.112 R)
• M16: 18,701,230 km (0.101 R)
• M17: 19,258,482 km (0.086 R)
• M18: 24,973,719 km (0.081 R)
• M19: 26,238,419 km (0.064 R)
• M20: 30,288,183 km (0.062 R)
• M21: 31,725,669 km (0.063 R)
• M22: 32,747,123 km (0.096 R)
• M23: 33,323,823 km (0.118 R)
• M24: 37,177,315 km (0.116 R)
• M25: 38,185,156 km (0.12 R)
• M26: 39,210,948 km (0.078 R)
• M27: 44,617,565 km (0.076 R)
• M28: 50,961,562 km (0.038 R)
• M29: 52,204,720 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.1

Radius: 5.8

Gravity: 15.07 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.32 AU - 6.96 AU

Year: 11810 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,587,397 km

• M1: 72,106 km (0.107 R)
• M2: 383,419 km (0.086 R)
• M3: 587,172 km (0.031 R)
• M4: 1,122,732 km (0.083 R)
• M5: 1,404,574 km (0.105 R)
• M6: 1,940,135 km (0.062 R)
• M7: 5,625,329 km (0.107 R)
• M8: 7,072,239 km (0.099 R)
• M9: 8,476,963 km (0.058 R)
• M10: 9,510,834 km (0.041 R)
• M11: 11,269,956 km (0.063 R)
• M12: 12,992,874 km (0.09 R)
• M13: 18,053,172 km (0.08 R)
• M14: 18,968,711 km (0.087 R)
• M15: 19,914,618 km (0.106 R)
• M16: 21,391,897 km (0.093 R)
• M17: 22,852,870 km (0.075 R)
• M18: 23,384,092 km (0.046 R)
• M19: 25,781,099 km (0.102 R)
• M20: 26,550,331 km (0.108 R)
• M21: 27,933,363 km (0.096 R)
• M22: 32,037,880 km (0.059 R)
• M23: 35,103,589 km (0.053 R)
• M24: 35,573,775 km (0.076 R)
• M25: 38,483,753 km (0.061 R)
• M26: 38,733,133 km (0.091 R)
• M27: 40,380,804 km (0.058 R)
• M28: 41,156,768 km (0.046 R)
• M29: 42,206,795 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.2

Radius: 6.1

Gravity: 25.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.8 AU - 8.46 AU

Year: 13142 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,587,397 km

• M1: 105,018 km (0.116 R)
• M2: 618,587 km (0.11 R)
• M3: 948,600 km (0.101 R)
• M4: 1,376,450 km (0.056 R)
• M5: 2,131,470 km (0.108 R)
• M6: 2,415,108 km (0.101 R)
• M7: 3,528,415 km (0.089 R)
• M8: 3,926,495 km (0.085 R)
• M9: 4,385,611 km (0.039 R)
• M10: 5,337,802 km (0.092 R)
• M11: 5,747,101 km (0.055 R)
• M12: 6,420,591 km (0.098 R)
• M13: 7,013,747 km (0.095 R)
• M14: 9,539,108 km (0.103 R)
• M15: 9,864,783 km (0.095 R)
• M16: 11,362,407 km (0.035 R)
• M17: 12,484,092 km (0.119 R)
• M18: 13,814,765 km (0.09 R)
• M19: 15,311,043 km (0.065 R)
• M20: 16,521,290 km (0.083 R)
• M21: 16,755,111 km (0.112 R)
• M22: 17,875,599 km (0.114 R)
• M23: 21,167,351 km (0.115 R)
• M24: 25,354,894 km (0.042 R)
• M25: 27,916,608 km (0.102 R)
• M26: 29,487,835 km (0.07 R)
• M27: 29,947,399 km (0.056 R)
• M28: 36,495,597 km (0.114 R)
• M29: 36,759,787 km (0.073 R)
• M30: 38,236,019 km (0.086 R)
• M31: 40,030,894 km (0.106 R)
• M32: 41,592,995 km (0.108 R)
• M33: 46,522,245 km (0.03 R)
• M34: 49,046,559 km (0.114 R)
• M35: 49,529,910 km (0.084 R)
• M36: 54,710,933 km (0.113 R)
• M37: 57,879,117 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.9

Radius: 4.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.52 AU - 7.54 AU

Year: 14263 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,587,397 km

• M1: 56,398 km (0.085 R)
• M2: 381,923 km (0.116 R)
• M3: 585,676 km (0.062 R)
• M4: 845,677 km (0.091 R)
• M5: 1,088,325 km (0.11 R)
• M6: 3,432,224 km (0.097 R)
• M7: 4,407,901 km (0.075 R)
• M8: 5,912,557 km (0.051 R)
• M9: 8,636,883 km (0.119 R)
• M10: 9,927,763 km (0.111 R)
• M11: 12,097,082 km (0.097 R)
• M12: 14,005,053 km (0.077 R)
• M13: 16,886,458 km (0.074 R)
• M14: 20,012,306 km (0.075 R)
• M15: 21,980,266 km (0.096 R)
• M16: 22,941,282 km (0.102 R)
• M17: 23,361,652 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.3

Radius: 6.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.91 AU - 10.15 AU

Year: 17196 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,587,397 km

• M1: 158,424 km (0.095 R)
• M2: 454,030 km (0.075 R)
• M3: 718,519 km (0.046 R)
• M4: 1,040,902 km (0.105 R)
• M5: 1,894,657 km (0.088 R)
• M6: 4,039,591 km (0.108 R)
• M7: 4,805,981 km (0.081 R)
• M8: 5,027,984 km (0.032 R)
• M9: 7,305,014 km (0.101 R)
• M10: 7,514,301 km (0.109 R)
• M11: 8,854,848 km (0.093 R)
• M12: 9,934,196 km (0.077 R)
• M13: 10,880,552 km (0.053 R)
• M14: 11,431,521 km (0.083 R)
• M15: 12,292,607 km (0.071 R)
• M16: 12,648,799 km (0.088 R)
• M17: 15,544,116 km (0.097 R)
• M18: 18,774,832 km (0.119 R)
• M19: 23,408,626 km (0.079 R)
• M20: 25,362,075 km (0.064 R)
• M21: 35,446,467 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 13,107 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit